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Indianapolis Motor Speedway Weather



Weather Forecast for Indianapolis

Now
Current Weather Conditions
74° F

Wind: 9.22 mph
Humidity: 66%
Clouds: 40%
Pressure: 1011 hPa
Sunrise: 7:30 AM ET
Sunset: 8:07 PM ET
Tomorrow
Tomorrow's Weather Conditions
Chance
T-storms then
Showers

Showers

Thu
Thu's Weather Conditions
Showers
Likely then
Chance
Showers

Chance
Showers



Extended Forecast
 
National Weather Service Forecast for: Indianapolis IN
Issued by: National Weather Service Indianapolis, IN
Updated: 3:45 pm EDT Mar 31, 2026
 
This
Afternoon
This Afternoon: Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 81. Breezy, with a southwest wind around 21 mph, with gusts as high as 36 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
High: 81 °F
Tonight

Tonight: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after midnight.  Low around 55. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Low: 55 °F
Wednesday

Wednesday: Showers and possibly a thunderstorm.  High near 59. North wind around 7 mph becoming east in the morning.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
High: 59 °F
Wednesday
Night
Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers.  Mostly cloudy, with a low around 56. East northeast wind around 7 mph becoming southeast after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Low: 56 °F
Thursday

Thursday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81. South wind 10 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 30%.
High: 81 °F
Thursday
Night
Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm.  Low around 64. South southwest wind 11 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Low: 64 °F
Friday

Friday: Showers before 8am, then rain likely between 8am and 2pm, then rain likely and possibly a thunderstorm after 2pm.  High near 77. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%.
High: 77 °F
Friday
Night
Friday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 63. South wind around 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.
Low: 63 °F
Saturday

Saturday: Rain and possibly a thunderstorm.  High near 74. South wind 11 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%.
High: 74 °F
Showers
Likely and
Breezy
Chance
T-storms then
Showers
Showers

Showers
Likely then
Chance
Showers
Chance
Showers

Showers

Showers

Chance
T-storms then
Rain Likely
Rain

Hazardous Weather Outlook


This Afternoon
 
Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 81. Breezy, with a southwest wind around 21 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 55. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
Showers and possibly a thunderstorm. High near 59. North wind around 7 mph becoming east in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 56. East northeast wind around 7 mph becoming southeast after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. South wind 10 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Thursday Night
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 64. South southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
 
Showers before 8am, then rain likely between 8am and 2pm, then rain likely and possibly a thunderstorm after 2pm. High near 77. South southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Friday Night
 
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
 
Rain and possibly a thunderstorm. High near 74. South wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Saturday Night
 
Rain likely and possibly a thunderstorm before 8pm, then a chance of rain. Mostly cloudy, with a low around 39. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
 
Partly sunny, with a high near 50.
Sunday Night
 
Partly cloudy, with a low around 33.
Monday
 
Sunny, with a high near 58.

Forecast from NOAA-NWS for Indianapolis.



 


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